Radeon HD 4890 vs Radeon HD 6990M
Find out if it is worth upgrading your current GPU setup by comparing Radeon HD 4890 and Radeon HD 6990M. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between Radeon HD 4890 and Radeon HD 6990M. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.
Radeon HD 6990M is a Laptop Graphics Card
Note: Radeon HD 6990M is only used in laptop graphics. It has lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with Radeon HD 6990M here:
Main Specs
Radeon HD 4890
Radeon HD 6990M
Power consumption (TDP)
190 Watt
100 Watt
Interface
PCIe 2.0 x16
MXM-B (3.0)
Supplementary power connectors
2x 6-pin
None
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
2 GB
Display Connectors
2x DVI, 1x S-Video
No outputs
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Radeon HD 4890 has 90% more power consumption, than Radeon HD 6990M.
Radeon HD 4890 is connected by PCIe 2.0 x16, and Radeon HD 6990M uses MXM-B (3.0) interface.
Radeon HD 6990M has 1 GB more memory, than Radeon HD 4890.
Radeon HD 4890 is used in Desktops, and Radeon HD 6990M - in Laptops.
Radeon HD 4890 is build with TeraScale architecture, and Radeon HD 6990M - with Terascale 2.
Core clock speed of Radeon HD 4890 is 135 MHz higher, than Radeon HD 6990M.
Radeon HD 4890 is manufactured by 55 nm process technology, and Radeon HD 6990M - by 40 nm process technology.
Memory clock speed of Radeon HD 4890 is 3000 MHz higher, than Radeon HD 6990M.
Game benchmarks
Assassin's Creed Odyssey
Battlefield 5
Call of Duty: Warzone
Counter-Strike: Global Offensive
Cyberpunk 2077
Dota 2
Far Cry 5
Fortnite
Forza Horizon 4
Grand Theft Auto V
Metro Exodus
Minecraft
PLAYERUNKNOWN'S BATTLEGROUNDS
Red Dead Redemption 2
The Witcher 3: Wild Hunt
World of Tanks
high / 1080p
7−8
14−16
ultra / 1080p
4−5
8−9
QHD / 1440p
0−1
3−4
low / 720p
16−18
30−33
medium / 1080p
8−9
16−18
The average gaming FPS of Radeon HD 6990M in Assassin's Creed Odyssey is 100% more, than Radeon HD 4890.
high / 1080p
12−14
21−24
ultra / 1080p
10−11
18−20
QHD / 1440p
0−1
6−7
4K / 2160p
−
5−6
low / 720p
24−27
45−50
medium / 1080p
12−14
24−27
The average gaming FPS of Radeon HD 6990M in Battlefield 5 is 86% more, than Radeon HD 4890.
low / 768p
45−50
45−50
high / 1080p
45−50
−
QHD / 1440p
0−1
0−1
Radeon HD 4890 and Radeon HD 6990M have the same average FPS in Call of Duty: Warzone.
low / 768p
140−150
200−210
medium / 768p
110−120
170−180
ultra / 1080p
55−60
90−95
QHD / 1440p
30−33
50−55
4K / 2160p
27−30
30−33
high / 768p
80−85
130−140
The average gaming FPS of Radeon HD 6990M in Counter-Strike: Global Offensive is 51% more, than Radeon HD 4890.
low / 768p
55−60
55−60
ultra / 1080p
20−22
35−40
medium / 1080p
45−50
45−50
The average gaming FPS of Radeon HD 6990M in Cyberpunk 2077 is 11% more, than Radeon HD 4890.
low / 768p
80−85
100−110
medium / 768p
60−65
90−95
ultra / 1080p
35−40
60−65
The average gaming FPS of Radeon HD 6990M in Dota 2 is 43% more, than Radeon HD 4890.
high / 1080p
8−9
16−18
ultra / 1080p
8−9
14−16
4K / 2160p
3−4
6−7
low / 720p
18−20
35−40
medium / 1080p
9−10
18−20
The average gaming FPS of Radeon HD 6990M in Far Cry 5 is 111% more, than Radeon HD 4890.
high / 1080p
14−16
24−27
ultra / 1080p
10−11
18−20
QHD / 1440p
−
16−18
low / 720p
60−65
95−100
medium / 1080p
24−27
50−55
The average gaming FPS of Radeon HD 6990M in Fortnite is 71% more, than Radeon HD 4890.
high / 1080p
12−14
24−27
ultra / 1080p
10−12
18−20
QHD / 1440p
1−2
8−9
low / 720p
27−30
50−55
medium / 1080p
14−16
27−30
The average gaming FPS of Radeon HD 6990M in Forza Horizon 4 is 100% more, than Radeon HD 4890.
low / 768p
50−55
80−85
medium / 768p
45−50
70−75
high / 1080p
12−14
27−30
ultra / 1080p
6−7
10−12
QHD / 1440p
0−1
2−3
The average gaming FPS of Radeon HD 6990M in Grand Theft Auto V is 65% more, than Radeon HD 4890.
high / 1080p
5−6
9−10
ultra / 1080p
3−4
7−8
4K / 2160p
0−1
2−3
low / 720p
12−14
27−30
medium / 1080p
6−7
12−14
The average gaming FPS of Radeon HD 6990M in Metro Exodus is 100% more, than Radeon HD 4890.
low / 768p
95−100
110−120
high / 1080p
90−95
−
ultra / 1080p
80−85
100−110
medium / 1080p
90−95
100−110
The average gaming FPS of Radeon HD 6990M in Minecraft is 20% more, than Radeon HD 4890.
high / 1080p
16−18
21−24
ultra / 1080p
14−16
16−18
low / 720p
30−35
55−60
medium / 1080p
18−20
24−27
The average gaming FPS of Radeon HD 6990M in PLAYERUNKNOWN'S BATTLEGROUNDS is 50% more, than Radeon HD 4890.
high / 1080p
−
14−16
ultra / 1080p
7−8
9−10
QHD / 1440p
0−1
0−1
low / 720p
12−14
27−30
medium / 1080p
10−12
16−18
The average gaming FPS of Radeon HD 6990M in Red Dead Redemption 2 is 80% more, than Radeon HD 4890.
low / 768p
24−27
50−55
medium / 768p
16−18
30−35
high / 1080p
9−10
18−20
ultra / 1080p
6−7
10−11
4K / 2160p
6−7
8−9
The average gaming FPS of Radeon HD 6990M in The Witcher 3: Wild Hunt is 84% more, than Radeon HD 4890.
low / 768p
85−90
100−105
medium / 768p
45−50
60−65
ultra / 1080p
20−22
30−35
high / 768p
35−40
50−55
The average gaming FPS of Radeon HD 6990M in World of Tanks is 29% more, than Radeon HD 4890.
Full Specs
Radeon HD 4890
Radeon HD 6990M
Architecture
TeraScale
Terascale 2
Code name
RV790
Blackcomb XTX
Type
Desktop
Laptop
Release date
2 April 2009
12 July 2011
Pipelines
800
1120
Core clock speed
850 MHz
715 MHz
Transistor count
959 million
1,700 million
Manufacturing process technology
55 nm
40 nm
Texture fill rate
34.00
40.04
Floating-point performance
1,360.0 gflops
1,601.6 gflops
Length
241 mm
Memory bus width
256 Bit
256 Bit
Memory clock speed
3900 MHz
900 MHz
Memory bandwidth
124.8 GB/s
115.2 GB/s
Shared memory
-
DirectX
10.1 (10_1)
11.2 (11_0)
Shader Model
4.1
5.0
OpenGL
3.3
4.4
OpenCL
1.1
1.2
Vulkan
N/A
N/A
Laptop size
large
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